Field Flatteners & Coma Correctors

The image plane of many telescopes is not plane, but curved. This results in a picture that has its optimal focus only in the center of the field of view - the edge of the field is out of focus and thus unsharp.

Explore Scientific MPCC Field Flattener with Canon EOS T2. Custom designed to be used with the Explore and Meade APOs. Includes a Canon fitting as standard.

This field flattener is designed to work with the Altair Astro Starwave 80mm F6 ED Triplet APO. It has an M48 rear thread adaptor for connecting your DSLR or CCD camera.

Superb quality, non-focal reducing Field Flattener optimised for DSLR imaging on refractor telescopes with focal ratios of between f/5.5 to f6.0. Will also provide much improved results on refractors with focal lengths narrowly outside this optimised f/range.

A brand new high quality field flattener for the Evoguide 50ED. If you want to image through this amazing igh quality widefield scope, then this accessory is a must have!

A non-focal reducing Field Flattener which gives improved results for photography with triplet and doublet refractor telescopes of between F5.5 and approximately F6.25 focal ratio.

The RVO Horizon f/4 Coma Corrector is designed specifically for our Horizon f/4 imaging newtonians. Get instantly flat field images with this superb addition.

The brand new RVO Horizon® 60 1.0x Field Flattener to suit the RVO Horizon® 60 ED refractor.

This adapter is specifically designed to use the SBIG STL-11000 CCD cameras together with our TMB-designed FLT field flattener.

Introducing the brand new RVO Horizon® 1.0x Field Flattener with integrated rotator to suit the RVO Horizon® 80 ED refractor. This high quality flattener will provide a beautifully flat field across the full width which is ideal for widefield imaging.

An optically-matched M48-fitting doublet field flattener for Skywatcher's Esprit 80 ED PRO triplet refractor.

Introducing the brand new RVO Horizon® 1.0x Field Flattener to suit the RVO Horizon® 102 ED refractor. This high quality flattener will provide a beautifully flat field across the full width which is ideal for widefield imaging.

Introducing the brand new RVO Horizon® 1.0x Field Flattener with integrated rotator to suit the RVO Horizon® 72 ED refractor. This high quality flattener will provide a beautifully flat field across the full width which is ideal for widefield imaging.

Introducing the brand new RVO Horizon® 0.8x Reducer / Field Flattener with integrated rotator to suit the RVO Horizon® 80 ED refractor. This high quality flattener will provide a beautifully flat field across the full width which is ideal for widefield imaging.

Optimised for all Sky-Watcher fast-ratio f/5 Newtonian Reflectors / Dobsonians, with 2” focuser. Delivers stunning wide-field views with pinpoint stars to the edge of the field. Magnification remains unaltered.

Introducing the brand new RVO Horizon® 0.8x Reducer / Field Flattener to suit the RVO Horizon® 102 ED refractor. This high quality flattener will provide a beautifully flat field across the full width which is ideal for widefield imaging.